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Re: [Xen-users] Xen and SAN : snapshot XOR live-migration ?
| To: | Franck ELIE <Franck.Elie@xxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] Xen and SAN : snapshot XOR live-migration ? |
| From: | Tim Post <tim.post@xxxxxxxxxxxxxxx> |
| Date: | Fri, 23 Mar 2007 15:51:15 +0800 |
| Cc: | xen-users@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Fri, 23 Mar 2007 00:50:39 -0700 |
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| Organization: | Net Kinetics |
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| Reply-to: | tim.post@xxxxxxxxxxxxxxx |
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On Thu, 2007-03-22 at 23:38 +0100, Franck ELIE wrote: > Please tell me if I am wrong : > > Xen needs LVM to perform domU snapshots and snapshots must be performed > by dom0. > By the way, a LVM volume group should not be used by more that one > kernel at the same time. So if we use a SAN storage, one volume group > should be activated on only one server and deactivated on the others. > But if we do that, it should not be possible to perform live migration > of domU. > My conclusion would be that we have to choose between snapshot or > live-migration, but with xen 3.0.3 we can not use both. > > Don't you think so ? > > Regards > > Franck > > Just use CLVM. While its suitability is still kind of in debate for heavy production use, its more than ample for such simple tasks if I understand your need correctly. Best, --Tim _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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